/Engine/Source/Runtime/Core/Public/Containers/UnrealString.h
Produce an array of line ranges from the given text, breaking at any new-line characters
static void CalculateLineRangesFromString ( const [FString](API\Runtime\Core\Containers\FString) & Input, [TArray](API\Runtime\Core\Containers\TArray)< [FTextRange](API\Runtime\Core\Containers\FTextRange) > & LineRanges )